
Red Hat Enterprise Linux 6 Administration
Description
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Linux professionals who need a go-to guide on version 6 of RedHat Enterprise Linux (RHEL) will find what they need in thiscomprehensive Sybex book. It covers RHEL administration in detail,including how to set up and manage web and mail services, use RHELin enterprise environments, secure it, optimize storage, configurefor virtualization and high availability, and much more. It alsoprovides a great study aid for those preparing for either the RHCSAor RHCE certification exam.
* Red Hat is the Linux market leader, and Red Hat administratorsare in demand
* This Sybex guide is a comprehensive resource on Red HatEnterprise Linux administration and useful for those preparing forone of the Red Hat certification exams
* Covers setting up and managing web and mail services, usingRHEL in enterprise environments, securing RHEL, and optimizingstorage to fit your environment
* Explores advanced RHEL configurations, including virtualizationand high availability
Red Hat Enterprise Linux 6 Administration is the guideLinux professionals and Red Hat administrators need to stay currenton the newest version.
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Content
Assessment Test xxxiii
Part I Getting Familiar with Red Hat Enterprise Linux 1
Chapter 1 Getting Started with Red Hat Enterprise Linux 3
Chapter 2 Finding Your Way on the Command Line 41
Part II Administering Red Hat Enterprise Linux 67
Chapter 3 Performing Daily System Administration Tasks 69
Chapter 4 Managing Software 99
Chapter 5 Configuring and Managing Storage 121
Chapter 6 Connecting to the Network 155
Part III Securing Red Hat Enterprise Linux 187
Chapter 7 Working with Users, Groups, and Permissions 189
Chapter 8 Understanding and Configuring SELinux 229
Chapter 9 Working with KVM Virtualization 245
Chapter 10 Securing Your Server with iptables 269
Chapter 11 Setting Up Cryptographic Services 293
Part IV Networking Red Hat Enterprise Linux 313
Chapter 12 Configuring OpenLDAP 315
Chapter 13 Configuring Your Server for File Sharing 333
Chapter 14 Configuring DNS and DHCP 355
Chapter 15 Setting Up a Mail Server 375
Chapter 16 Configuring Apache on Red Hat Enterprise Linux 385
Part V Advanced Red Hat Enterprise Linux Configuration 411
Chapter 17 Monitoring and Optimizing Performance 413
Chapter 18 Introducing Bash Shell Scripting 467
Chapter 19 Understanding and Troubleshooting the Boot Procedure 505
Chapter 20 Introducing High-Availability Clustering 529
Chapter 21 Setting Up an Installation Server 561
Glossary 577
Appendix A Hands-On Labs 595
Appendix B Answers to Hands-On Labs 607
Index 625
Table of Exercises
Exercise 1.1 Installing Linux on Your Machine Exercise 2.1 Discovering the Use of Pipes Exercise 2.2 Using grep in Pipes Exercise 2.3 Redirecting Output to a File Exercise 2.4 Using Redirection of STDIN Exercise 2.5 Separating STDERR from STDOUT Exercise 2.6 Replacing Text with vi Exercise 2.7 Working with man -k Exercise 3.1 Managing Jobs Exercise 3.2 Managing Processes with ps and kill Exercise 3.3 Using nice to Change Process Priority Exercise 3.4 Running a Task from cron Exercise 3.5 Mounting a USB Flash Drive Exercise 3.6 Creating Links Exercise 3.7 Archiving and Extracting with tar Exercise 3.8 Configuring Logging Exercise 4.1 Setting Up Your Own Repository Exercise 4.2 Working with yum Exercise 4.3 Installing Software with yum Exercise 4.4 Finding More Information About Installed Software Exercise 4.5 Extracting Files from RPM Packages Exercise 5.1 Creating Partitions Exercise 5.2 Creating a File System Exercise 5.3 Setting a File System Label Exercise 5.4 Mounting Devices Through /etc/fstab Exercise 5.5 Fixing /etc/fstab Problems Exercise 5.6 Creating LVM Logical Volumes Exercise 5.7 Extending a Logical Volume Exercise 5.8 Extending a Volume Group Exercise 5.9 Reducing a Logical Volume Exercise 5.10 Managing Snapshots Exercise 5.11 Creating a Swap File Exercise 5.12 Creating an Encrypted Device Exercise 5.13 Mounting an Encrypted Device Automatically Exercise 6.1 Working with Services Exercise 6.2 Configuring a Network Interface with ip Exercise 6.3 Setting a Fixed IPv6 Address. Exercise 6.4 Enabling and Testing the SSH Server. Exercise 6.5 Securing the SSH Server Exercise 6.6 Setting Up Key-Based Authentication Exercise 6.7 Setting Up Key-Based SSH Authentication Protected with a Passphrase Exercise 6.8 Setting Up a VNC Server Exercise 7.1 Creating Users Exercise 7.2 Creating and Managing Groups Exercise 7.3 Logging in Using an LDAP Directory Server Exercise 7.4 Configuring PAM. Exercise 7.5 Setting Permissions for Users and Groups Exercise 7.6 Working with Special Permissions Exercise 7.7 Refining Permissions Using ACLs Exercise 8.1 Displaying SELinux Type Context Exercise 8.2 Switching Between SELinux Modes Exercise 8.3 Applying File Contexts Exercise 8.4 Working with SELinux Booleans Exercise 8.5 Enabling sealert Message Analysis Exercise 9.1 Determining Whether Your Server Meets KVM Virtualization Requirements Exercise 9.2 Preparing Your Server to Function as a KVM Hypervisor Exercise 9.3 Installing a KVM Virtual Machine Exercise 9.4 Working with Virtual Machine Manager Exercise 9.5 Changing a VM Hardware Configuration Exercise 9.6 Exploring virsh Exercise 9.7 Changing Virtual Machine Networking Exercise 9.8 Reconfiguring Networking in a Virtual Machine Exercise 10.1 Allowing Basic Services Through the Firewall Exercise 10.2 Configuring Port Forwarding Exercise 10.3 Building a Netfilter Firewall Exercise 10.4 Setting Up iptables Logging Exercise 10.5 Configuring NAT Exercise 11.1 Creating a Self-signed Certificate Exercise 11.2 Creating and Exchanging GPG Keys Exercise 11.3 Encrypting and Decrypting Files Exercise 11.4 Signing RPM Packages with GPG Keys Exercise 12.1 Changing the Base LDAP Configuration Exercise 12.2 Creating the Base LDAP Directory Structure Exercise 12.3 Installing the Schema File for DHCP Exercise 12.4 Creating an LDAP User Exercise 12.5 Adding an LDAP Group Exercise 13.1 Creating NFS Shares Exercise 13.2 Mounting an NFS Share Exercise 13.3 Using /net to Access an NFS Share Exercise 13.4 Creating an Automount Indirect Map Exercise 13.5 Creating an Automount Configuration for Home Directories Exercise 13.6 Setting Up a Samba Server Exercise 13.7 Setting SELinux Labels for Samba Exercise 13.8 Mounting a Samba Share Using /etc/fstab Exercise 13.9 Enabling an Anonymous FTP Server Exercise 14.1 Configuring a Cache-Only Name Server Exercise 14.2 Setting Up a Primary DNS Server Exercise 14.3 Setting Up a DHCP Server Exercise 15.1 Getting to Know Mutt Exercise 15.2 Sending a Message to an External User Exercise 15.3 Opening Your Mail Server for External Mail Exercise...
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- Tablet/Smartphone (Android; iOS): Install the free app Adobe Digital Editions or the app PocketBook (see eBook Help).
- E-reader: Bookeen, Kobo, Pocketbook, Sony, Tolino and many more (not Kindle).
The file format ePUB works well for novels and non-fiction books – i.e., 'flowing' text without complex layout. On an e-reader or smartphone, line and page breaks automatically adjust to fit the small displays.
This eBook does not use copy protection or Digital Rights Management
For more information, see our eBook Help page.